*{
	margin: 0;
	padding: 0;
}
ul,li{
	padding: 0;
	margin: 0;
}
/*1.html开始*/
.box4{
	width: 100%;
	background-color: rgba(0,0,0,0.5);
}
.logo{
	float: left;
}
.logo img{
	width:100px ;
	height: 60px;
	margin-left: 150px;
}
.box4 .nav{
	float: left;
	line-height: 60px;
	margin-left: 50px;
	
}
.box4 .nav a{
	color: white;
	text-decoration: none;
	margin-left: 30px;
	font-size: 14px;
}
.box4 .nav a:hover{
	color: blue;
	text-decoration:underline;
}
.nav-1{
	float: right;
	margin-right: 160px;
	vertical-align: middle;
	margin-top: 15px;
}
.nav-login{
	border: 1px solid #fad65c;
	height: 30px;
	width: 80px;
	text-align: center;
	border-radius: 20px 20px 20px 20px;
	line-height: 30px;
	float: left;
}
.nav-login:hover{
	background-color:#fad65c ;
}
.nav-login a{
	color: #fad65c;
	text-decoration: none;
}
.nav-login:hover a{
	color: #986b0d;
}
.kaitong{
	border: 1px solid #fad65c;
	height: 30px;
	width: 100px;
	text-align: center;
	border-radius: 20px 20px 20px 20px;
	line-height: 30px;
	float: right;
	margin-left: 10px;
}
.kaitong:hover{
	background-color:#fad65c ;
}
.kaitong a{
	color: #fad65c;
	text-decoration: none;
}
.kaitong:hover a{
	color: #986b0d;
}



/*2.html开始*/
.box{
	width: 700px;
	height: 40px;
	margin: 20px auto;
}
.clearfix:after{
	display: table;
	clear: both;
	content: '';
}
.box1 h2{
	float: left;
}
.box1 a{
	float: right;
	color: blue;
	text-decoration: none;
}
ul li{
	list-style: none;
	font-size: 12px;
	float: left;
	margin-left: 20px;
	margin-top: 20px;
}



/*3.html开始*/
.box2{
	width: 300px;
	margin: 20px auto;
}
.box2-1{
	width: 300px;
	border: 1px solid gray;
	height: 30px;
	background:  url(../img/1.gif) no-repeat 10px center;
}
.box2-1 h3{
	padding-left: 30px;
	line-height: 30px;
}
.box2-2-1{
	margin-top: 20px;
	vertical-align:middle;
	float: left;
}
.box2-2-1 img{
	border: 1px solid gray;
	padding: 2px;
}
.box2-2-2{
	float: right;
	width: 170px;
	margin-top: 20px;
	font-size: 14px;
	line-height: 28px;
	padding-left: 2px;
}
.box2-2-2 p{
	color: gray;
}

.box2-2-2 a{
	color:blue;
	text-decoration: none;
}
.box2-3{
	width: 300px;
}
.box2-3 ul{
	text-indent: -1.5em;
	}
.box2-3 li{
	line-height: 20px;
	width: 280px;
}
.box2-3 ul li a{
	float: left;
	text-decoration: none;
	color: gray;
}
.box2-3 ul li a:hover{
	color: red;
	text-decoration: underline;
}
.box2-3 ul li span{
	float: right;
	text-align: right;
	color: gray;
}


/*4.html开始*/
.box3{
	width: 100%;
}
.box3-1{
	width: 990px;
	margin: 0 auto;
}
.box3-1 img{
	float: left;
	vertical-align: middle;
}
.box3-1 p{
	float: left;
	margin-top: 20px;
	margin-left: 20px;
	color: #6c7e95;
	font-size: 18px;
}
.bg{
	background-color:#e93854;
}
.box3-2{
	background-image: url(../img/banner.png);
	width: 990px;
	height: 475px;
	margin: 0 auto;
}
.login{
	width: 320px;
	height: 270px;
	background-color: white;
	float: right;
	margin: 40px 40px;
}
.form1{
	width:280px ;
	/*border: 1px solid red;*/
	margin-left: 20px;
	margin-top: 20px;
}
.form1 p{
	float: left;
	color: #8c8c8c;
	font-weight: bold;
}
.form1-1{
	float: right;
}
.form1-1 img{
	vertical-align:middle;
}
.form1-1 a{
	color: #e4393c;
	text-decoration: none;
	vertical-align: middle;
	font-size: 12px;
}
.form1-1 a:hover{
	text-decoration: underline;
}
.form2{
	width: 300px;
	/*border: 1px solid #bdbdbd;*/
	margin-left: 20px;
	margin-top: 20px;
	height: 38px;
}
.form2 input{
	height: 38px;
	width: 240px;
	border: 1px solid #dbdbdb;
	padding-left: 10px;
	outline: none;
}
::placeholder {
  color: #b8b8b8;
}
.form2 img{
	border-left:  1px solid #dbdbdb;
	border-top:  1px solid #dbdbdb;
	border-bottom:  1px solid #dbdbdb;
	vertical-align: middle;
	float: left;
}
.form2 p{
	font-size: 14px;
	color: #a5a5a5;
	float: right;
	margin-top: 10px;
	margin-right: 80px;
}
.form3{
	width: 280px;
	/*border: 1px solid #bdbdbd;*/
	margin-left: 20px;
	margin-top: 20px;
	vertical-align: middle;
}
.form3-1{
	/*background: red;*/
	height: 24px;
}
.form3-1 input{
	vertical-align: middle;
	line-height: 24px;
}
.form3-1 span{
	font-size: 14px;
	color: #7d8082;
	line-height: 24px;
}
.form3-1 p{
	float: right;
	color:#7d8082 ;
	font-size: 14px;
	vertical-align: middle;
	margin-top: 3px;
}
.form4{
	margin: 0 auto;
	width: 280px;
	margin-left: 20px;
	margin-top: 20px;
}
.form4 input{
	width: 280px;
	height: 30px;
	background-color: #e4393c;
	color: white;
	border: none;
	cursor: pointer;
}
.box3-3{
	font-size: 12px;
	text-align: center;
	margin-top: 20px;
}
.box3-3 a{
	margin: 0 8px;
	color: #8c8c8c;
}
.box3-3 a:hover{
	color: #f03b60;
}
.box3-4{
	margin-top: 10px;
}
.box3-4 p{
	text-align: center;
	color:#8c8c8c ;
	font-size: 12px;
}

/*俄罗斯方块开始*/
.fl{
	float: left;
}
.fr{
	float: right;
}
.clearfix{
	clear: both;
	content: '';
	display: table;
}
.box{
	width: 800px;
	height: 800px;
	/*background-color:azure;*/
	margin: 20px auto;
	position: relative;
}
.box .box1-1{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#66cd00;
	margin: 0 auto;
	margin-bottom: 10px;
}
.box .box1-2{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#face47;
	margin: 0 auto;
	margin-bottom: 10px;
}
.box .box1-3{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#86d335;
	margin: 0 auto;
	margin-bottom: 10px;
}
.box .box1-4{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#1ec0ff;
	margin: 0 auto;
	margin-bottom: 10px;
}
.box .box1-5{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#8168ea;
	margin: 0 auto;
	margin-bottom: 10px;
}
.box .box1-6{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#e86a80;
	margin: 0 auto;
	margin-bottom: 10px;
}
.box .di{
	width: 100px;
	height: 15px;
	background-image: linear-gradient(to top,rgba(102,205,0,1),rgba(186,233,134,1),rgba(208,238,174,1));
	position: absolute;
	top: -11px;
	left: 240px;
	filter:blur(2px);
}
.box .di1{
	position: absolute;
	top: -11px;
	left: 350px;
	z-index:-1;
}
.box .di2{
	position: absolute;
	top: -11px;
	left: 460px;
	z-index:-1;
}
.box .four{
	position: absolute;
	top: 0px;
	left: 240px;
}
.box .five{
	/*background-color: red;*/
	position: absolute;
	top: 0px;
	left: 460px;
}
.box .six{
	position: absolute;
	top: 220px;
	left: 570px;
}
.box .seven{
	position: absolute;
	top: 330px;
	left: 570px;
}
.box .eight{
	position: absolute;
	top: 330px;
	left: 460px;
}
.box .nine{
	position: absolute;
	top: 440px;
	left: 460px;
}
.box .ten{
	position: absolute;
	top: 440px;
	left: 570px;
	border-bottom-right-radius:60px;
}
.box .A{
	position: absolute;
	top: 330px;
	left: 240px;
}
.box .B{
	position: absolute;
	top: 440px;
	left: 240px;
}
.box .C{
	position: absolute;
	top: 440px;
	left: 130px;
	border-bottom-left-radius:60px;
}
.box .D{
	position: absolute;
	top: 330px;
	left: 130px;
}
.box .E{
	position: absolute;
	top: 220px;
	left: 130px;
}
.box .box1{
	margin:20px auto;
	position: relative;
}
.box .box1 .box1-1{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#66cd00;
	margin: 0 10px;
}
.box .box1 .box1-1:nth-child(4){
	position: absolute;
	top: 120px;
	left: 120px;
}
.box .box1 .box1-1:nth-child(5){
	position: absolute;
	top: 240px;
	left: 120px;
}
.box .box1 .box1-2{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:#face47;
	margin: 0 10px;
}
.box .box1 .box1-2:nth-child(1){
	position: absolute;
	top: 240px;
	left: 120px;
}
.box .box1 .box1-2{
	width: 100px;
	height: 100px;
	border-radius: 5px;
	background-color:red;
	position: absolute;
	top: -100px;
}





/*腾讯官网首页开始*/
*{
	margin: 0px;
	padding: 0px;
	font: 12px/1.5 tahoma,'PingFang SC','microsoft yahei',arial,'helvetica neue','hiragino sans gb',sans-serif
}
.fl{
	float: left;
}
.fr{
	float: right;
}
.boxA{
    position: absolute;
}
.boxA video{
	width: 100%;
	vertical-align: middle;
}
.boxA .logo{
	position: absolute;
	top: -60px;
	left: -100px;
}
.boxA .logo img{
	width: 200px;
	height: 200px;
}
.boxA .center{
	position: absolute;
	top:210px;
	left:510px;
	width: 700px;
}
.boxA .center .title{
	color: white;
	font-size: 60px;
	line-height: 80px;
	font-weight: blod;
}
.boxA .center .circle{
	width: 35px;
	height: 35px;
	border-radius: 50%;
	border: 4px solid white;
	display: block;
	line-height: 80px;
	position: absolute;
	top: 20px;
	left: 274px;
	background: rgba(255,255,255,0.3);
}
.boxA .center .triangle{
	width: 0;
	height: 0;
	border-width: 12px 0px 12px 15px;
	border-style: solid;
	border-radius: 5px;
	border-color: transparent transparent transparent white;
	/*margin: 40px auto;*/
	position: absolute;
	top: 29px;
	left: 290px;
}
.boxA .center p{
	font-size: 80px;
	font-style:italic;
	color: white;
	font-weight: bold;
	position: absolute;
	top: 70px;
	left: -200px;
}
.boxA .nav{
	position: absolute;
	top: 10px;
	left: 680px;
}
.boxA .nav li{
	list-style: none;
	height: 40px;
}
.boxA .nav li span{
	color: white;
	font-size: 12px;
	opacity: .5;
	padding-left: 20px;
}
.boxA .nav li a{
	font-size:16px ;
	color: white;
	text-decoration: none;
}
.boxA .nav li a:hover{
	border-top:4px solid white;
	margin-bottom: 20px;
	padding-top: 28px;
	width: 40px;
}
.boxA .nav1{
	position: absolute;
	top: 12px;
	left: 1140px;
}
.boxA .nav1 li span{
	color: white;
	font-size: 12px;
	opacity: .5;
	padding-left: 20px;
}
.boxA .nav1 li a{
	font-size:14px ;
	color: white;
	text-decoration: none;
	margin-right: -10px;
}